AZ851
MICROMINIATURE
POLARIZED RELAY
FEATURES
• Microminiature size: Height: .244 inches (6.2 mm);
Length: .559 inches (14.2 mm); Width: .366 inches (9.3 mm)
• High sensitivity, 79 mW pickup
• Meets FCC Part 68.302 1500 V lightning surge
• Surface mount type with “L” shaped terminals
• Monostable and bistable (latching) single coil and
two coil versions available
• Epoxy sealed
• UL, CUR file E43203
CONTACTS
GENERAL DATA
Arrangement
DPDT (2 Form C)
Bifurcated crossbar contacts
Life Expectancy
Mechanical
Electrical
Minimum operations
1 x 108
2 x 105 at 1 A, 30 VDC resistive
1 x 105 at 0.5 A, 125 VAC resistive
Ratings
Resistive load:
Max. switched power: 30 W or 62.5 VA
Max. switched current: 1 A
Operate Time (typical) 2 ms at nominal coil voltage
Max. switched voltage: 220 VDC* or 250 VAC
Release Time (typical) 1 ms at nominal coil voltage
Max. carry current:
2 A
(with no coil suppression)
* Note: If switching voltage is greater than 30 VDC,
special precautions must be taken.
Please contact the factory.
Set Time
(bistable versions)
2 ms at nominal coil voltage (typical)
Recommended coil pulse: 20 ms
Reset Time
(bistable versions)
2 ms at nominal coil voltage (typical)
Recommended coil pulse: 20 ms
Rated Load
UL, CUR
1 A at 30 VDC resistive
0.5 A at 125 VAC resistive
Dropout
Greater than 10% of nominal coil voltage
Material
Silver palladium, gold clad
< 50 milliohms initially
Capacitance
Contact to contact: 0.4 pF
Contact set to contact set: 0.2 pF
Contact to coil: 0.9 pF
Resistance
Dielectric Strength
(at sea level)
1000 Vrms between contact sets
1000 Vrms across contacts
1000 Vrms contact to coil
Meets FCC part 68.302 1500 V lightning
surge
COIL (Polarized)
Power
At Pickup Voltage
(typical)
Single side stable:
Bistable (latching) single coil: 56–84 mW
Bistable (latching) two coil: 113–169 mW
79–169 mW
Insulation Resistance 1000 megohms min. at 25°C, 500 VDC,
50% RH
Max. Continuous
Dissipation
875 mW at 20°C (68°F) ambient
Ambient Temperature At nominal coil voltage
Temperature Rise
Temperature
18°C (32°F) at nominal coil voltage
Max. 105°C (221°F)
Operating
Storage
-40°C (-40°F) to 85°C (185°F)
-40°C (-40°F) to 105°C (221°F)
Vibration
.130" (3.3 mm) DA at 10–55 Hz
Shock
50 g
NOTES
Enclosure
LCP
1. All values at 20°C (68°F).
2. Relay has fixed coil polarity.
3. Relay may pull in with less than “Must Operate” value.
4. Relay adjustment may be affected if undue pressure is exerted
on relay case.
Terminals
Tinned copper alloy, P.C.
80°C (176°F)
Max. Solvent Temp.
Max. Immersion Time 30 seconds
5. For complete isolation between the relay’s magnetic fields, it is
recommended that a .197" (5.0 mm) space be provided between
adjacent relays.
Weight
1.5 grams
Packing unit in pcs
25 per plastic tube / 1000 per carton box
(TR Tape & Reel) 500 per reel
6. Specifications subject to change without notice.
ZETTLER electronics GmbH
Junkersstrasse 3, D-82178 Puchheim, Germany
Tel. +49 89 800 97 0
Fax +49 89 800 97 200
office@ZETTLERelectronics.com
www.ZETTLERelectronics.com
2005-08-04
